Datasheet

2
Pinout
CD54HC08, CD54HCT08,
(CERDIP)
CD74HC08
(PDIP, SOIC, TSSOP)
CD74HCT08
(PDIP, SOIC)
TOP VIEW
Functional Diagram
TRUTH TABLE
INPUTS OUTPUT
nA nB nY
LLL
LHL
HLL
HHH
H = High Voltage Level, L = Low Voltage Level
1A
1B
1Y
2A
2B
2Y
GND
V
CC
4B
4A
4Y
3B
3A
3Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1B
2A
2B
2Y
GND
1
2
3
4
5
6
14
13
12
11
V
CC
4Y
3Y
3B
4A
4B
10
8
7
9
3A
1Y
CD54HC08, CD74HC08, CD54HCT08, CD74HCT08